HALFWAY, OR

Total of Precipitation (Inches)

(353604)

File last updated on April 25, 2024
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.

YEAR(S)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1936-----z-----z-----z-----z0.46 2.17 0.38 0.03 0.15 0.11 0.00 3.02 6.32d
19373.59 4.06o1.52 2.71 0.30 1.96 0.46 0.18 0.02 1.91 7.33 5.39 25.37a
19385.12 3.39 4.99 2.31 1.62 0.73 0.31 0.20 0.38 1.97 4.93 2.25 28.20
19392.79 3.90 1.58 0.46 1.77 0.66 0.85 0.00 0.55 1.96 0.13 3.51 18.16
19403.94 -----z3.14y3.90 0.22 0.59 0.58 0.00 3.97 2.62 2.95 2.48 21.25b
19414.59 -----z1.16 1.85 2.70 -----z0.04 1.29 1.33 1.30 2.22 4.99a21.47b
19421.95 3.18 0.86 1.44 3.04 0.63 -----z0.15 0.33 1.62 4.45 5.54 23.19a
19432.69v2.06 1.15 2.79 0.95 1.91 0.60 0.26 0.00 2.45 1.05 1.27 14.49a
19441.68 2.14 0.73 3.12 0.98 2.79 0.00 0.05 0.02 0.81 2.51 0.83 15.66
19453.99 4.26r2.27 0.26 3.27 2.17 0.06 0.06 0.57 -----z3.63q3.83 16.48c
19463.00 -----z-----z0.15 -----z-----z0.33 0.00 0.97 -----z-----z2.75 7.20f
1947-----z-----z-----z1.62 0.79 2.34 0.00 0.00 0.74 -----z2.10u0.48 5.97e
19481.32 2.98 1.96 3.00 2.77 1.86 0.25 0.42 0.52 1.10 0.89q0.80l16.18b
19490.70 5.95e0.14 0.43 1.94 0.24 0.04 0.00a0.37a0.67 2.87 1.61 14.96
19503.32 2.39 3.54 1.01 0.32 3.57 0.00 0.08 0.24 0.99c0.24k3.58 19.04a
19512.73a2.71e1.99 2.00 1.03 0.82 0.90 0.69 0.60 3.33a1.53b6.55 24.88
19523.97 3.88 0.89 0.73 0.53i2.01h0.88 0.12 0.28 0.00c1.20 3.98 15.93b
19537.46a2.95 2.16d1.90 3.87 1.42 0.00 0.57 0.00 0.20 1.00 3.22 24.75
19541.77 0.80a1.65 2.07 0.29d2.51 0.27 0.93 0.70a0.29a0.98 3.81 16.07
19551.11a1.73b0.44t2.03 0.20 0.60 1.16 0.00 1.33b0.83 3.73 4.34 17.06a
19564.91 1.46 1.12 2.32 1.95 1.36 0.83 0.95 0.26 1.24a0.43 2.82 19.65
19572.22 2.62 3.79a1.61 3.26 0.82 0.18 0.12 0.12 2.58 1.56a5.47 24.35
19584.81 4.73 2.32 2.20 2.32 2.11 0.21 0.35 1.16 0.29 2.85 2.66 26.01
19594.10 1.99 2.00 1.13 2.60 0.17 0.10 0.33 4.80 1.95 1.55 1.89 22.61
19602.09 2.35 2.74 0.77 2.37 0.10 0.26 1.12 0.62a1.02 5.22 1.72 20.38
19612.11 3.08 3.40 0.36 1.00 0.78 0.31 0.26 0.43 2.41 2.71 3.26 20.11
19622.38 1.88 1.79 1.27 2.83 0.60 0.32 0.65 1.57 2.33 2.86 2.31 20.79
19631.70 1.95 1.10 1.63 1.72 1.71 0.09 0.66 1.27 0.29 5.16 2.20 19.48
19644.41 0.59 2.27 1.70 0.85 3.38 1.16 0.55 1.03 0.03 2.88 5.84 24.69
19655.72 0.86 0.37 2.23 0.31 1.99 0.51 2.35 0.31 0.35 2.94 0.49 18.43
19661.24 1.49 1.86 0.67 0.27 0.96 0.11 0.40 0.84 1.37 3.84 5.07 18.12
19674.17 1.08 1.15 0.97 1.16 0.94 0.12 0.00 0.75 2.72 2.06 1.88 17.00
19681.48 5.03 0.70 0.80 1.33 0.45 0.00 2.82 0.25 1.85 4.02 3.88 22.61
19693.63 2.05 0.31 1.70 1.04 3.03 0.02 0.00 0.75 0.91 0.36 4.14 17.94
19709.08 1.58 1.55 0.68 2.27 1.49 0.36 0.00 1.97 2.17 4.56 3.99 29.70
19714.81 1.41 2.14 1.33 0.50 3.10 0.08 0.31 0.41 1.67 3.82 4.91 24.49
19723.67 1.63 3.06 0.80 0.85 1.36 0.49 0.15 0.56 0.29 3.06 6.30 22.22
19732.81 0.85 1.28 0.58 2.52 0.21 0.13 0.06 1.35 1.65 7.16 7.21 25.81
19742.52 1.76 3.32 0.68 0.13 0.73 1.13 0.23 0.00 0.29 0.94 4.49 16.22
19754.07 3.56 2.43 1.51 0.50 1.56 0.44 1.43 0.01 3.09 2.74 2.95 24.29
19764.55 2.45 1.87 2.21 0.50 0.65 1.09 2.09 0.81 0.14 0.17 0.22 16.75
19770.90 0.66 1.23 0.17 2.29 0.37 0.52 0.73 2.06 0.58 4.42 6.41 20.34
19783.03 2.38 2.13 5.08 1.18 0.79 1.00 0.66 1.17 0.00 1.90 2.92 22.24
19792.59 4.23 1.71 1.68 1.42 0.91 0.03 0.74 0.20 2.55 2.19 1.42 19.67
19802.29 2.85 1.81 0.75 2.92 2.23 0.64 0.04 2.75 0.88 2.04 4.73 23.93
19813.03 3.31 2.54 0.58 1.56 2.77 0.70 0.01 0.79 2.41 3.48 5.04 26.22
19824.56 4.77 1.74 1.90 1.10 1.79 1.14 0.16 0.79 2.92 1.00a5.82 27.69
19832.89 3.50 6.14 2.32 0.55 0.96 0.96 0.68 0.47 0.65 4.55 5.53a29.20
19842.86 2.73 2.37 2.47 2.30 1.72 0.51 2.69 0.45 1.01 4.18a3.95 27.24
19850.29 1.66 1.60 0.69 1.33 0.86a0.30a1.72 2.42 1.79 2.84 1.69 17.19
19862.77 4.28 1.79 1.51 1.29 0.14 0.56 0.31 2.81 0.58 2.22 0.58 18.84
19873.80 0.89 1.96 0.58 1.03 0.68 0.87a0.19 0.00 0.00 2.12 2.27 14.39
19883.09 0.70 0.83 1.65 1.95 1.02 0.12 0.10 0.24 0.00 7.36 2.96 20.02
19895.23 3.10 2.21 1.23a1.53 0.96 0.12 1.96 1.07 1.91 1.51 0.38 21.21
19902.81 2.88b1.02 2.25 2.98 1.15 0.40 0.80 0.00 2.39 1.57a2.23 20.48
19914.05 0.78 1.62 2.04 3.71 1.53 0.12 0.10 0.12 0.68 4.01 1.75 20.51
19921.46 1.78 0.47 1.38 0.67 2.19 0.72a0.01 0.26 1.60 2.77 3.90 17.21
19935.52 1.36a3.40 2.73 1.56 3.22 1.39 0.67a0.00 1.46b1.21 2.99a25.51
19942.51 2.67 0.11 1.81 1.50 0.17 0.38 0.00 0.25 0.35 4.62 3.82a18.19
19955.57 1.29 3.30 0.95 0.60 1.94 1.50 1.15 0.20 1.49 4.69 4.75 27.43
19962.38a2.06 1.17 3.78 3.52 0.36 1.19 0.13 1.22 1.73 3.16 6.69 27.39
19973.76 0.92 1.29 2.27 1.10 1.69 2.01 0.43 1.47 0.93 1.67 2.89 20.43
19985.08 1.42 3.01 1.29 7.18 1.44 0.36 0.12 2.08 0.11 4.15 4.30 30.54
19992.06 6.86 0.47 0.39 0.83 0.82 0.15 0.87 0.00 1.03 4.00 4.64 22.12
20004.34 4.89 2.23 0.71 1.03 1.03 0.06 0.08 1.33 2.03 1.41 1.71 20.85
20012.10 1.09 1.88 2.55 1.23 0.54 0.66 0.00 0.29 1.62 3.58 4.12 19.66
20023.50 1.44 1.99 1.20 0.34 0.60 0.59 0.30 0.33 0.13 0.53 4.73 15.68
20033.56 0.88 1.97 2.10 2.24 0.17 0.15 0.92 0.21 0.35 1.67 4.58 18.80
20045.25 2.82 1.15 1.14 2.41 1.12 0.59 0.90 1.37 1.10 0.97 2.30 21.12
20051.79 0.65 2.84 1.69 3.83 1.66 0.36 0.01 0.52 1.90 3.50 6.44a25.19
20065.14 1.26 2.45a1.95b0.61 1.75 0.11 0.14 0.79 0.24 3.40 4.56 22.40
20070.85 3.05 0.27 1.03 1.17 0.73 0.04 0.39 0.74 1.91 2.89 4.19 17.26
20084.04 2.14 0.78 0.80 1.37a0.43 0.22 0.42 1.10 0.49 2.22 3.77 17.78
20092.84 0.86 1.63 1.25 2.02 2.89 0.04 1.24 0.01 2.32 1.08 3.82 20.00
20104.01 1.76 0.53 2.29 1.73 5.03 0.22 0.32 0.34 0.51b-----z-----z16.74b
2011-----z-----z-----z-----z-----z-----z0.03 0.16 0.05 2.39 1.36 1.91 5.90f
20123.79 2.02 3.00 2.12a1.06 1.01 0.34 0.00 0.04 3.06 2.15 2.25 20.84
20132.51 1.22a0.71a0.52 1.04 1.32 0.00 0.30 3.32 0.09 2.47 1.65 15.15
20141.63 3.33 3.82 2.20 0.40 0.57 0.13 0.30 0.56 1.38 4.37 5.64 24.33
20152.74 1.24 1.21 0.53 1.95 0.35 1.20 0.19 0.63 1.30 3.17 6.61 21.12
20163.23 1.76 2.87 1.14 1.16 0.18 0.63 0.13 0.50 2.26 1.49 5.41 20.76
20173.87 2.37 3.63 1.98 0.78 1.54 0.00 0.03 0.69 1.86 2.45 0.93 20.13
20183.72 2.16 1.87 1.36 1.47 0.46 0.00a0.06 0.02 1.43 1.75 3.69 17.99
20192.50 5.20 1.57 2.26 2.28 0.32b0.10 0.19 1.68 0.98 0.38 3.15 20.61
20206.27 1.38 1.23 0.66 2.36 2.74 0.05 0.25 0.28 0.94 3.02 2.85 22.03
20214.16 3.30 0.55 0.34 0.89 0.47 0.00 0.47 0.64 0.84 2.01 4.05 17.72
20222.38 0.32 0.57 2.08 2.78 1.32 0.13 0.26 0.26 0.77 3.18 3.87 17.92
20231.57 0.55 3.06 1.93 0.94 0.89 0.04 3.30 0.26 0.76 2.17 2.67 18.14
20244.34 3.09 1.64 0.08n-----z-----z-----z-----z-----z-----z-----z-----z9.07i
Period of Record Statistics
MEAN3.32 2.32 1.86 1.56 1.60 1.32 0.42 0.51 0.79 1.28 2.69 3.53 21.20
S.D.1.53 1.35 1.10 0.91 1.14 0.96 0.42 0.68 0.89 0.89 1.59 1.68 3.87
SKEW0.74 0.97 1.03 0.91 1.66 1.15 1.26 2.18 2.19 0.31 0.74 0.06 0.46
MAX9.08 6.86 6.14 5.08 7.18 5.03 2.01 3.30 4.80 3.33 7.36 7.21 30.54
MIN0.29 0.32 0.11 0.15 0.13 0.10 0.00 0.00 0.00 0.00 0.00 0.22 14.39
YRS85 81 83 86 85 84 87 88 88 85 82 86 73